Quote:
Originally Posted by MetroMPG
Well, after a good night's rest and a fresh look at the tuft testing results today, I've decided it's good enough as-is. I'm not going to change it.
EDIT: Neil, I might just test that wheel strake/boattail idea to reduce turbulence, too. If that doesn't help, when I make the permanent tail, I'll use a little less curvature in the sides, which will add about 20 cm / 4 in. to the width of the rear.
Next task: A-B-A test and weather-proof it. Weigh it, measure it, to answer those inevitable questions.
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Many thanks for sharing the results. This is just what we need to help understanding.
As you mentioned the current curvature on the sides is not ideal. Do you have a picture of the boat-tail from above & (ideally) the angles used? This will help determine what angles to not exceed.